$363+ Cheap flights from Ontario (ONT) to Thailand
This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 1/19. Fares are subject to change and may not be available on all flights or dates of travel.
ONT — BKK
Nov 18 — Nov 251
Round-trip
1 adult, Economy
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Find cheap flights from Ontario to Thailand with Cheapflights
1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”2. Select your favorite providers
We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.3. Compare prices and book
Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.Cheap flight deals from Ontario to Thailand
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Cheapest flights from Ontario to ThailandExplore the most affordable flight options available from Ontario to Thailand. Find the lowest fares from popular airlines and budget airlines, with prices last updated on October 19, 2026.
Explore the most affordable flight options available from Ontario to Thailand. Find the lowest fares from popular airlines and budget airlines, with prices last updated on October 19, 2026.
This Bravofly deal was found by Cheapflights users on 10/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Bravofly is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/307:00 am -
2 stops24h 45m
Sun 12/612:20 am -
2 stops31h 55m
Deal found 10/16![Korean Air logo]()
$739
This Delta deal was found by Cheapflights users on 10/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/266:20 am -
2 stops26h 25m
Sun 11/112:20 am -
2 stops36h 52m
Deal found 10/16![Delta logo]()
$792
This Delta deal was found by Cheapflights users on 10/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/257:00 am -
2 stops39h 25m
Tue 12/2211:15 pm -
2 stops38h 22m
Deal found 10/18![Delta logo]()
$842
This Delta deal was found by Cheapflights users on 10/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/25:55 pm -
2 stops52h 30m
Sat 1/3011:15 pm -
2 stops29h 42m
Deal found 10/17![Delta logo]()
$848
This Kissandfly.com deal was found by Cheapflights users on 10/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kissandfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/256:20 am -
2 stops26h 25m
Fri 11/612:20 am -
2 stops36h 51m
Deal found 10/19![Multiple Airlines logo]()
$885
This lol.travel deal was found by Cheapflights users on 10/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure lol.travel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/36:20 am -
2 stops24h 10m
Fri 11/61:05 am -
2 stops31h 07m
Deal found 10/18![Korean Air logo]()
$887
This United Airlines deal was found by Cheapflights users on 10/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/2612:30 pm -
2 stops49h 40m
Tue 1/269:10 am -
2 stops25h 51m
Deal found 10/17![United Airlines logo]()
$897
This United Airlines deal was found by Cheapflights users on 10/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/2612:30 pm -
2 stops49h 40m
Wed 12/97:10 am -
2 stops28h 28m
Deal found 10/18![United Airlines logo]()
$899
This United Airlines deal was found by Cheapflights users on 10/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/279:25 am -
2 stops24h 55m
Mon 11/99:10 am -
2 stops23h 46m
Deal found 10/15![United Airlines logo]()
$900
This United Airlines deal was found by Cheapflights users on 10/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/285:00 am -
2 stops26h 50m
Tue 12/87:10 am -
2 stops23h 25m
Deal found 10/18![United Airlines logo]()
$902
This United Airlines deal was found by Cheapflights users on 10/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/289:25 am -
2 stops52h 45m
Tue 1/269:10 am -
2 stops23h 53m
Deal found 10/17![United Airlines logo]()
$903
This United Airlines deal was found by Cheapflights users on 10/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/189:25 am -
2 stops34h 10m
Mon 11/99:10 am -
2 stops28h 38m
Deal found 10/16![United Airlines logo]()
$905
Best flights from Ontario to ThailandDiscover carefully curated flight deals from Ontario to Thailand that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated October 19, 2026.
Discover carefully curated flight deals from Ontario to Thailand that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated October 19, 2026.
This Korean Air deal was found by Cheapflights users on 10/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Korean Air is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 1/277:00 am -
2 stops24h 45m
Tue 2/912:20 am -
2 stops28h 37m
Deal found 10/16![Korean Air logo]()
$786
This Delta deal was found by Cheapflights users on 10/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/296:00 am -
2 stops26h 45m
Wed 11/412:20 am -
2 stops31h 52m
Deal found 10/16![Delta logo]()
$792
This United Airlines deal was found by Cheapflights users on 10/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/294:17 pm -
2 stops29h 13m
Thu 11/57:10 am -
2 stops20h 19m
Deal found 10/18![United Airlines logo]()
$907
This China Airlines deal was found by Cheapflights users on 10/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure China Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 3/610:50 pm -
1 stop23h 15m
Sun 3/212:05 pm -
1 stop18h 00m
Deal found 10/18![China Airlines logo]()
$993
This Booking.com deal was found by Cheapflights users on 10/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 2/239:45 pm -
1 stop27h 15m
Wed 3/1010:10 am -
2 stops20h 45m
Deal found 10/14![Multiple Airlines logo]()
$1,056
This Korean Air deal was found by Cheapflights users on 10/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Korean Air is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 3/63:30 pm -
2 stops40h 15m
Fri 3/2612:20 am -
2 stops30h 57m
Deal found 10/15![Korean Air logo]()
$798
This Delta deal was found by Cheapflights users on 10/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/291:35 pm -
2 stops41h 55m
Sun 11/811:15 pm -
2 stops38h 45m
Deal found 10/17![Delta logo]()
$912
This China Airlines deal was found by Cheapflights users on 10/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure China Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 3/610:50 pm -
1 stop23h 15m
Thu 3/182:05 pm -
1 stop18h 00m
Deal found 10/18![China Airlines logo]()
$993
This Korean Air deal was found by Cheapflights users on 10/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Korean Air is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/66:20 am -
2 stops40h 05m
Sun 11/159:40 pm -
2 stops40h 20m
Deal found 10/17![Korean Air logo]()
$913
This United Airlines deal was found by Cheapflights users on 10/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/46:00 am -
2 stops25h 50m
Wed 11/117:10 am -
2 stops23h 23m
Deal found 10/18![United Airlines logo]()
$1,062
This Korean Air deal was found by Cheapflights users on 10/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Korean Air is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/137:00 am -
2 stops39h 25m
Sat 12/269:40 pm -
2 stops39h 57m
Deal found 10/18![Korean Air logo]()
$913
This China Airlines deal was found by Cheapflights users on 10/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure China Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 2/2410:50 pm -
1 stop20h 00m
Wed 3/311:20 pm -
1 stop18h 40m
Deal found 10/16![China Airlines logo]()
$1,018
This United Airlines deal was found by Cheapflights users on 10/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/14:17 pm -
2 stops28h 13m
Tue 1/269:10 am -
2 stops23h 53m
Deal found 10/16![United Airlines logo]()
$1,065
This FlightHub deal was found by Cheapflights users on 10/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 2/2810:50 pm -
2 stops31h 25m
Fri 3/129:50 am -
2 stops22h 15m
Deal found 10/18![Multiple Airlines logo]()
$1,189
This China Airlines deal was found by Cheapflights users on 10/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure China Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/2912:10 am -
1 stop20h 10m
Fri 4/1611:20 am -
1 stop20h 40m
Deal found 10/19![China Airlines logo]()
$1,032
This China Airlines deal was found by Cheapflights users on 10/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure China Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 2/2410:50 pm -
1 stop20h 00m
Tue 3/1610:55 am -
1 stop21h 10m
Deal found 10/14![China Airlines logo]()
$1,055
This Korean Air deal was found by Cheapflights users on 10/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Korean Air is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 1/127:00 am -
2 stops24h 45m
Wed 1/2012:20 am -
2 stops28h 37m
Deal found 10/14![Korean Air logo]()
$1,073
This China Airlines deal was found by Cheapflights users on 10/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure China Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 1/2710:50 pm -
1 stop23h 15m
Wed 2/102:05 pm -
1 stop18h 00m
Deal found 10/17![China Airlines logo]()
$1,069
This Korean Air deal was found by Cheapflights users on 10/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Korean Air is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/26:20 am -
2 stops25h 25m
Wed 11/412:20 am -
2 stops31h 52m
Deal found 10/16![Korean Air logo]()
$1,184
This China Airlines deal was found by Cheapflights users on 10/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure China Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/3111:50 pm -
1 stop20h 00m
Sat 11/1410:55 am -
1 stop21h 10m
Deal found 10/16![China Airlines logo]()
$1,086
This Justfly.com deal was found by Cheapflights users on 10/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 3/1411:50 pm -
2 stops23h 55m
Sat 3/2711:25 am -
1 stop20h 40m
Deal found 10/14![China Airlines logo]()
$1,233
This oojo deal was found by Cheapflights users on 10/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 1/1210:50 pm -
2 stops29h 10m
Thu 1/2111:25 am -
1 stop20h 40m
Deal found 10/14![China Airlines logo]()
$1,260
This China Airlines deal was found by Cheapflights users on 10/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure China Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/710:50 pm -
2 stops31h 25m
Tue 11/1010:00 pm -
2 stops34h 05m
Deal found 10/17![China Airlines logo]()
$1,371
This China Airlines deal was found by Cheapflights users on 10/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure China Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/210:50 pm -
2 stops29h 10m
Thu 11/510:10 am -
2 stops21h 55m
Deal found 10/17![China Airlines logo]()
$1,392
This China Airlines deal was found by Cheapflights users on 10/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure China Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 1/210:50 pm -
2 stops31h 25m
Mon 1/1810:00 pm -
2 stops34h 05m
Deal found 10/15![China Airlines logo]()
$1,507
This China Airlines deal was found by Cheapflights users on 10/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure China Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 1/210:50 pm -
2 stops31h 25m
Thu 1/2110:00 pm -
2 stops34h 05m
Deal found 10/15![China Airlines logo]()
$1,507
This China Airlines deal was found by Cheapflights users on 10/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure China Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 1/210:50 pm -
2 stops31h 25m
Sat 1/1610:00 pm -
2 stops58h 05m
Deal found 10/14![China Airlines logo]()
$1,530
This China Airlines deal was found by Cheapflights users on 10/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure China Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/3110:50 pm -
2 stops55h 25m
Fri 1/2210:00 pm -
2 stops34h 05m
Deal found 10/14![China Airlines logo]()
$1,666
This China Airlines deal was found by Cheapflights users on 10/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure China Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/3110:50 pm -
2 stops55h 25m
Thu 1/2110:00 pm -
2 stops34h 05m
Deal found 10/15![China Airlines logo]()
$1,666
This China Airlines deal was found by Cheapflights users on 10/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure China Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/3110:50 pm -
2 stops55h 25m
Tue 1/1910:00 pm -
2 stops34h 05m
Deal found 10/15![China Airlines logo]()
$1,666
Last-minute flights from Ontario to ThailandDiscover last-minute flight deals from Ontario to Thailand. Data last updated October 19, 2026 and is based on user searches.
Discover last-minute flight deals from Ontario to Thailand. Data last updated October 19, 2026 and is based on user searches.
This United Airlines deal was found by Cheapflights users on 10/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/189:25 am -
2 stops34h 10m
Mon 11/99:10 am -
2 stops28h 38m
Deal found 10/16![United Airlines logo]()
$905
This Kissandfly.com deal was found by Cheapflights users on 10/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kissandfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/256:20 am -
2 stops26h 25m
Fri 11/612:20 am -
2 stops36h 51m
Deal found 10/19![Multiple Airlines logo]()
$885
This Delta deal was found by Cheapflights users on 10/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/266:20 am -
2 stops26h 25m
Sun 11/112:20 am -
2 stops36h 52m
Deal found 10/16![Delta logo]()
$792
This United Airlines deal was found by Cheapflights users on 10/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/279:25 am -
2 stops24h 55m
Mon 11/99:10 am -
2 stops23h 46m
Deal found 10/15![United Airlines logo]()
$900
This lol.travel deal was found by Cheapflights users on 10/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure lol.travel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/36:20 am -
2 stops24h 10m
Fri 11/61:05 am -
2 stops31h 07m
Deal found 10/18![Korean Air logo]()
$887
This Delta deal was found by Cheapflights users on 10/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/257:00 am -
2 stops39h 25m
Tue 12/2211:15 pm -
2 stops38h 22m
Deal found 10/18![Delta logo]()
$842
This United Airlines deal was found by Cheapflights users on 10/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/2612:30 pm -
2 stops49h 40m
Tue 1/269:10 am -
2 stops25h 51m
Deal found 10/17![United Airlines logo]()
$897
This United Airlines deal was found by Cheapflights users on 10/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/2612:30 pm -
2 stops49h 40m
Tue 12/87:10 am -
2 stops25h 26m
Deal found 10/18![United Airlines logo]()
$899
This United Airlines deal was found by Cheapflights users on 10/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/285:00 am -
2 stops26h 50m
Tue 12/87:10 am -
2 stops23h 25m
Deal found 10/18![United Airlines logo]()
$902
This United Airlines deal was found by Cheapflights users on 10/17. Clicking the “Pick Dates ” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/289:25 am -
2 stops52h 45m
Tue 1/269:10 am -
2 stops23h 53m
Deal found 10/17![United Airlines logo]()
$903
This Delta deal was found by Cheapflights users on 10/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/286:00 am -
2 stops27h 20m
Wed 12/91:05 am -
2 stops37h 52m
Deal found 10/18![Delta logo]()
$907
This Bravofly deal was found by Cheapflights users on 10/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Bravofly is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/307:00 am -
2 stops24h 45m
Sun 12/612:20 am -
2 stops31h 55m
Deal found 10/16![Korean Air logo]()
$739
One-way flights from Ontario to ThailandSearch for one-way flight options from Ontario to Thailand. Find affordable one-way fares based on user searches. Data last updated October 19, 2026.
Search for one-way flight options from Ontario to Thailand. Find affordable one-way fares based on user searches. Data last updated October 19, 2026.
This SmartFares deal was found by Cheapflights users on 10/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure SmartFares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 1/197:00 am -
2 stops23h 30m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/17![Korean Air logo]()
$363
This Kissandfly.com deal was found by Cheapflights users on 10/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kissandfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 1/313:30 pm -
2 stops30h 55m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/18![Korean Air logo]()
$370
This Trip.com deal was found by Cheapflights users on 10/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 2/47:00 am -
2 stops39h 25m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/15![Korean Air logo]()
$375
This Delta deal was found by Cheapflights users on 10/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 2/17:00 am -
2 stops26h 20m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/18![Delta logo]()
$380
This Korean Air deal was found by Cheapflights users on 10/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals ”, make sure Korean Air is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 2/37:00 am -
2 stops23h 30m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/18![Korean Air logo]()
$382
This Korean Air deal was found by Cheapflights users on 10/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Korean Air is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 2/107:00 am -
2 stops24h 45m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/15![Korean Air logo]()
$382
This Korean Air deal was found by Cheapflights users on 10/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Korean Air is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/16:00 am -
2 stops25h 45m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/16![Multiple Airlines logo]()
$406
This Delta deal was found by Cheapflights users on 10/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/296:20 am -
2 stops26h 25m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/16![Delta logo]()
$417
This Korean Air deal was found by Cheapflights users on 10/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Korean Air is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/276:20 am -
2 stops26h 45m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/16![Korean Air logo]()
$419
This Kiwi.com deal was found by Cheapflights users on 10/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/246:20 am -
2 stops26h 25m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/15![Korean Air logo]()
$424
This SmartFares deal was found by Cheapflights users on 10/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure SmartFares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 3/207:00 am -
2 stops25h 45m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/18![Korean Air logo]()
$425
This Delta deal was found by Cheapflights users on 10/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 1/97:00 am -
2 stops26h 20m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/15![Delta logo]()
$429
Find flight deals from Ontario to Thailand
Keep the following information in mind while searching for Ontario to Thailand flight deals. Data was last updated October 19, 2026.
Round-trip from | $739 (Bravofly) |
|---|---|
One-way from | $363 (SmartFares) |
Popular in | December |
Cheapest in | March |
Average price | $768 |
Cheapflights Fare Finder
Customize your flight search to find flights from Ontario to Thailand that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 7,457,451 searches. Data last updated October 19, 2026.
Use the filters below to find and compare flights from Ontario to Thailand that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
OntarioBangkok
ONT Ontario - BKK Bangkok Suvarnabhumi
ONTBKK
Ontario
Mon 2/1
7:00 am-12:20 am
2 stops26h 20m
Bangkok Suvarnabhumi
Wed 12/31
12:00 am-9:00 am
Nonstop0h 00m
$380
OntarioBangkok
ONT Ontario - BKK Bangkok Suvarnabhumi
ONTBKK
Ontario
Tue 2/2
7:00 am-11:05 pm
2 stops25h 05m
Bangkok Suvarnabhumi
Wed 12/31
12:00 am-9:00 am
Nonstop0h 00m
$380
OntarioBangkok
ONT Ontario - BKK Bangkok Suvarnabhumi
ONTBKK
Ontario
Tue 1/12
3:30 pm-9:30 pm
2 stops39h 00m
Bangkok Suvarnabhumi
Wed 12/31
12:00 am-9:00 am
Nonstop0h 00m
$382
OntarioChiang Mai
ONT Ontario - CNX Chiang Mai
ONTCNX
Ontario
Sat 3/20
7:00 am-10:45 pm
2 stops25h 45m
Chiang Mai
Wed 12/31
12:00 am-9:00 am
Nonstop0h 00m
$425
OntarioChiang Mai
ONT Ontario - CNX Chiang Mai
ONTCNX
Ontario
Mon 12/7
7:00 am-10:45 pm
2 stops24h 45m
Chiang Mai
Wed 12/31
12:00 am-9:00 am
Nonstop0h 00m
$431
OntarioChiang Mai
ONT Ontario - CNX Chiang Mai
ONTCNX
Ontario
Fri 10/30
6:20 am-10:45 pm
2 stops26h 25m
Chiang Mai
Wed 12/31
12:00 am-9:00 am
Nonstop0h 00m
$431
OntarioBangkok
ONT Ontario - BKK Bangkok Suvarnabhumi
ONTBKK
Ontario
Sun 1/10
6:37 pm-12:20 am
2 stops38h 43m
Bangkok Suvarnabhumi
Wed 12/31
12:00 am-9:00 am
Nonstop0h 00m
$442
OntarioBangkok
ONT Ontario - BKK Bangkok Suvarnabhumi
ONTBKK
Ontario
Fri 2/5
7:00 am-12:20 am
2 stops26h 20m
Bangkok Suvarnabhumi
Wed 12/31
12:00 am-9:00 am
Nonstop0h 00m
$447
OntarioBangkok
ONT Ontario - BKK Bangkok Suvarnabhumi
ONTBKK
Ontario
Wed 10/28
4:17 pm-11:30 am
2 stops29h 13m
Bangkok Suvarnabhumi
Wed 12/31
12:00 am-9:00 am
Nonstop0h 00m
$476
OntarioBangkok
ONT Ontario - BKK Bangkok Suvarnabhumi
ONTBKK
Ontario
Thu 11/26
12:30 pm-5:10 am
2 stops49h 40m
Bangkok Suvarnabhumi
Wed 12/31
12:00 am-9:00 am
Nonstop0h 00m
$480
Showing 1-10 of 60 resultsSorted by cheapest first
Best time to book a flight from Ontario to Thailand
Have a flexible travel schedule? Discover the best time to fly to Thailand from Ontario with our price prediction graph.
ONT-CNX
ONT-BKK
ONT-KBV
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.
Cheapflights Insights
Everything you need to know about your flight from Ontario to Thailand
ONT-TH0
ONT-CNX
ONT-BKK
ONT-KBV
What is the cheapest month to book a flight from Ontario to Thailand?
Currently, January is the cheapest month in which you can book a flight from Ontario to Thailand (average of $774). Flying from Ontario to Thailand in June is currently the most expensive (average of $1,457). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.
How far ahead should I book a flight from Ontario to Thailand?
The best time to book flights from Ontario to Thailand is 14 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.
Reviews of airlines servicing Thailand
Get insights into the airlines that provide service to Thailand. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Thailand. Reviews last updated October 19, 2026.
Peruse reviews from past customers who have flown with STARLUX Airlines,Korean Air, andChina Airlines from Ontario to Thailand to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Comfort
8.8
Entertainment
8.7
Overall
8.7
Boarding
8.8
Food
8.6
Crew
9.1
Reviews
1 / 15
8.0
ExcellentAnonymous,Jul 2026
TPE - CRK
Comfort
8.8
Entertainment
8.7
Overall
8.7
Boarding
8.8
Food
8.6
Crew
9.1
Reviews
1 / 15
8.0
ExcellentAnonymous,Jul 2026
TPE - CRK
Comfort
8.8
Entertainment
8.7
Overall
8.7
Boarding
8.8
Food
8.6
Crew
9.1
Reviews
1 / 15
8.0
ExcellentAnonymous,Jul 2026
TPE - CRK
Comfort
8.8
Entertainment
8.7
Overall
8.7
Boarding
8.8
Food
8.6
Crew
9.1
Reviews
1 / 15
8.0
ExcellentAnonymous,Jul 2026
TPE - CRK
Comfort
8.8
Entertainment
8.7
Overall
8.7
Boarding
8.8
Food
8.6
Crew
9.1
Reviews
1 / 15
8.0
ExcellentAnonymous,Jul 2026
TPE - CRK
Related info for your journey
Find useful and relevant information for your journey from Ontario to Thailand. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
Browse thousands of different options on Cheapflights for your next trip
Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.
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Alternative routes for Ontario to Thailand
See prices for flight routes from nearby airports that may be better suited for you.
Complete your trip
Complete your trip to Thailand by adding a car rental and/or hotel reservation to your travel itinerary.
Search flights from Ontario to Thailand by cabin class
Find flights from Ontario to Thailand, based on your preferred cabin class, be it economy, premium economy, business, or first class.
Ontario and Thailand flights
Browse other Ontario and Thailand flight options. Last updated on October 19, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Ontario to Thailand flights
Consider these flights traveling from Ontario to Thailand.
Fly to Thailand regions
Consider these flights traveling to Thailand regions.
Top 4 airlines flying from Ontario to Thailand
Discover the top 4 airlines that operate flights from Ontario to Thailand. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 7,457,451 searches. Data last updated October 19, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$427 | Average$668 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$455 | Average$796 | FlexibilityNo cancel fee | On-time81% | |
| Cheapest$718 | Average$965 | FlexibilityNo cancel fee | On-time70% | |
| Cheapest$731 | Average$880 | FlexibilityNo cancel fee | On-timeN/A |